1133005 has 4 divisors (see below), whose sum is σ = 1359612. Its totient is φ = 906400.

The previous prime is 1132997. The next prime is 1133009. The reversal of 1133005 is 5003311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5003311 = 367 ⋅13633.

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 236196 = 947^2 + 486^2 .

It is not a de Polignac number, because 1133005 - 2³ = 1132997 is a prime.

It is a Duffinian number.

1133005 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113296 + ... + 113305.

It is an arithmetic number, because the mean of its divisors is an integer number (339903).

2^1133005 is an apocalyptic number.

It is an amenable number.

1133005 is a deficient number, since it is larger than the sum of its proper divisors (226607).

1133005 is an equidigital number, since it uses as much as digits as its factorization.

1133005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226606.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 1133005 is about 1064.4270759427. The cubic root of 1133005 is about 104.2502908936.

Adding to 1133005 its reverse (5003311), we get a palindrome (6136316).

The spelling of 1133005 in words is "one million, one hundred thirty-three thousand, five".